"Reverse" modulation hum

[Jim Simmons]

Nope, it's not ac power filter caps.  Sounds like you have an AGC 
problem.  It could be the AGC filter capacitor.  It's a large 
capacitance capacitor right after the AGC rectifier.  Not an electrolytic.

What receiver is it? And, do you have a schematic?

Jim, N5MSJ

On 11/29/2010 4:33 PM, Bob Jackson wrote:
> Strong humming noise heard only between stations, not while tuned to a station. Doesn't sound the same as pwr supply "bad caps" hum and is stronger. Ideas ???
>
>
> Bob  AG5X
>
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